1. BS EN 60364-4-44 AMD3. Low-voltage electrical installations. Part 4-44. Protection for safety. Protection against voltage disturbances and electromagnetic disturbances. Clause 443 (3rd February 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (7 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗